402223301 has 4 divisors (see below), whose sum is σ = 416093100. Its totient is φ = 388353504.

The previous prime is 402223291. The next prime is 402223303. The reversal of 402223301 is 103322204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 185368225 + 216855076 = 13615^2 + 14726^2 .

It is a cyclic number.

It is not a de Polignac number, because 402223301 - 2¹⁰ = 402222277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402223301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402223303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6934856 + ... + 6934913.

It is an arithmetic number, because the mean of its divisors is an integer number (104023275).

Almost surely, 2^402223301 is an apocalyptic number.

It is an amenable number.

402223301 is a deficient number, since it is larger than the sum of its proper divisors (13869799).

402223301 is a wasteful number, since it uses less digits than its factorization.

402223301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13869798.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 402223301 is about 20055.5055034771. The cubic root of 402223301 is about 738.1688967707.

Adding to 402223301 its reverse (103322204), we get a palindrome (505545505).

The spelling of 402223301 in words is "four hundred two million, two hundred twenty-three thousand, three hundred one".